package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.CachePut;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {
    //套餐管理
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private CategoryService categoryService;

    //新增套餐
    @PostMapping
    @CachePut(value = "setmealCache",key = "#setmealDto.id")
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐的信息：{}",setmealDto);
        setmealService.saveWithDish(setmealDto);
        return R.success("新增套餐成功啦");
    }

    //删除套餐
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐删除成功啦");
    }

    //修改售卖的状态
    @PostMapping("/status/{status}")
    public R<String> dishStatusByStatus(@PathVariable("status") Integer status,Long[] ids){
        setmealService.dishStatusByStatus(status,ids);
        return R.success("套餐修改成功");
    }

    //根据菜品查询相应套餐
    @GetMapping("/{id}")
    public R<SetmealDto> getByIdWithDish(@PathVariable Long id){
        SetmealDto setmealDto = setmealService.getByIdWithDish(id);
        return R.success(setmealDto);

    }

    //修改套餐数据
    @PutMapping
    public R<String> updateWithDish(@RequestBody SetmealDto setmealDto){
        log.info(setmealDto.toString());
        setmealService.updateWithDish(setmealDto);
        return R.success("套餐修改成功啦");
    }
    //套餐管理界面的分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //使用like进行模糊查询
        queryWrapper.like(name!=null,Setmeal::getName,name);
        //根据时间进行降序排序
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item)->{
            SetmealDto setmealDto = new SetmealDto();
            BeanUtils.copyProperties(item,setmealDto);

            //分类ID
            Long categoryId = item.getCategoryId();
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category!=null){
                //分类的名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    //根据条件查询套餐数据
    @GetMapping("/list")
    @Cacheable(value = "setmealCache", key = "#setmeal.categoryId + '-' + #setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());

        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}
